Biden told Israeli news that he's prepared to use force against Iran as a "last resort" to prevent it from obtaining a nuke.
Indirect talks to revive the 2015 nuclear deal have so far failed to produce an agreement.
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Israeli news anchor Yonit Levi noted that Biden in the past said he would "do anything" to ensure Iran doesn't acquire nuclear weapons.
Levi asked if that also meant the president would "use force" against Iran.
The Obama era deal was designed to prevent Iran from developing a nuclear weapon in exchange for relief from economic sanctions.
Restoring the 2015 nuclear deal, formally known as the Joint Comprehensive Plan of Action (JCPOA), has proved to be an elusive goal for Biden. »